How do you find the roots, real and imaginary, of #y= -2(x+1)^2+(-x-2)^2 # using the quadratic formula?
Form a quadratic equation, and solve it. Method below first, solution underneath.
Start by writing your equation in the form:
The roots are when
So you will have a quadratic equation of the form:
Then use the quadratic formula:
Which can give two roots due to the